CN110653649A - Intelligent cold saw machine accurate feeding device capable of feeding multiple materials at one time - Google Patents

Abstract

The invention provides an intelligent cold sawing machine accurate feeding device capable of feeding multiple materials at one time, which comprises a rack, a plurality of positioning blocks arranged on the rack in parallel and a jacking device arranged on the rack, wherein the positioning blocks are provided with positioning holes with upward openings, the rack is also provided with a storage mechanism for storing and supplying bars to be cut, a plurality of limiting guide mechanisms and a rotating mechanism are sequentially arranged between the storage mechanism and the positioning blocks, the storage mechanism comprises two limiting blocks arranged on one side of the rack, a plurality of flexible belts arranged between the limiting blocks in parallel, an adjusting mechanism arranged at the upper ends of the flexible belts, a tensioning mechanism arranged at the lower ends of the flexible belts and a supporting shaft arranged on the rack, and the length of the flexible belts between the adjusting mechanism and the supporting shaft is a bar accommodating. The automatic storage and conveying device can automatically store and convey the bar stock, and effectively solves the problem of manual carrying.

Description

Intelligent cold saw machine accurate feeding device capable of feeding multiple materials at one time

Technical Field

The invention relates to the technical field of machinery, in particular to an intelligent cold sawing machine accurate feeding device capable of feeding multiple materials at one time.

Background

The cold sawing machine is a device which can process one or more strip-shaped metal bars into short materials with a plurality of sections and certain length, and the current cold sawing machine generally adopts two modes when feeding: 1. the storage rack is mainly fixed in length and cannot be adjusted, the stored bars are easy to have the conditions of incapability of rolling forwards or rolling forwards by a pushing or vibrating mechanism, fixed in volume, incapability of expanding volume and the like, metal is in contact with metal, surface bruise and the like easily occur, and the length direction of the whole storage area is lengthened in special occasions, cannot be lengthened, etc.

Disclosure of Invention

In order to solve certain or some technical problems in the prior art, the invention provides the accurate feeding device of the intelligent cold sawing machine capable of feeding multiple bars at one time, which can automatically store and convey the bars, effectively avoids the problems of manual carrying, and also solves the problems that the bottom bars in the bar accommodating grooves formed by rigid materials cannot completely move forwards, the manufacturing cost is high, the whole weight is large, the volume cannot be adjusted and the like.

In order to solve the above-mentioned existing technical problem, the invention adopts the following scheme:

the utility model provides an intelligent cold saw of many material loadings accurate loading attachment, establish including frame, parallel a plurality of locating pieces in the frame, establish in the frame right a plurality of bar one end in the locating piece carry out propulsive neat device in top, be equipped with opening locating hole up on the locating piece, many bars of waiting to cut pass through the locating hole is fixed a position, the bar in the locating hole is through propping neat device parallel and level, still be equipped with in the frame and treat the storage mechanism that the bar was saved and was supplied with, storage mechanism with be equipped with a plurality of spacing guiding mechanism and transfer mechanism between the locating piece in proper order, spacing guiding mechanism with transfer mechanism with the locating piece matches, storage mechanism is including establishing two stoppers, the parallel of frame one side are established a plurality of flexible bands between the stopper, are established adjustment mechanism, the flexible band upper end of flexible band, Establish straining device of flexible band lower extreme, establish back shaft in the frame, adjustment mechanism arrives between the back shaft flexible band length is the bar and accomodates the groove, the both ends that the groove was accomodate to the bar are passed through the stopper is spacing, the both sides that the groove was accomodate to the bar are respectively passed through the flexible band body with spacing guiding mechanism carries on spacingly, is located adjustment mechanism with between the straining device flexible band total length passes through adjustment mechanism adjusts, on the groove is accomodate to the flexible band the sunken distance in back shaft below passes through straining device adjusts, the bar on the groove is accomodate to the bar passes through spacing guiding mechanism moves forward extremely transit mechanism, the rethread one removal of transit mechanism extremely in the locating hole.

Furthermore, the limiting guide mechanism comprises a bottom plate arranged on the rack and a top plate arranged above the bottom plate, the top plate and the bottom plate are combined to form a front limiting surface of the bar stock accommodating groove, a guide groove is formed between the bottom plate and the top plate and is of an inclined structure, and the bar stocks in the bar stock accommodating groove roll to the transfer mechanism through the guide grooves one by one.

Furthermore, a telescopic rod is arranged between the top plate and the rack.

Further, the transfer mechanism is including establishing the pivot in the frame, establishing a plurality of well carousels in the pivot, be equipped with at least 1 transfer groove on the well carousel be equipped with in the frame right the pivot carries out rotatory servo motor.

Furthermore, one side, close to the transfer mechanism, of the upper end surface of the positioning block is an inclined surface, and the bar material conveyed to the positioning block through the transfer mechanism rolls to the opening of the positioning hole through the inclined surface and falls off.

Furthermore, the adjusting mechanism comprises an adjusting screw rod arranged on the rack, a fixed seat arranged at the top end of the adjusting screw rod and a transition wheel arranged above the fixed seat, one end of the flexible belt is clamped and fixed on the fixed seat, the adjusting screw rod is clamped and fixed on the rack through a nut, the fixed seat and the adjusting screw rod are located on the back face of the storage mechanism, the height of the fixed seat is up and down moved through the adjusting screw rod, and the upper end of the flexible belt extends into the bar stock accommodating groove after passing through the transition wheel.

Furthermore, the rack is provided with an installation shaft for installing the tensioning mechanism, the tensioning mechanism comprises an L-shaped tensioning arm arranged on the installation shaft at a corner and a second driving cylinder arranged between the tensioning arm and the rack, two ends of the tensioning arm are respectively connected with the second driving cylinder and the flexible belt, and the flexible belt is pushed by the second driving cylinder to rotate so as to move.

Furthermore, a transmission mechanism is further arranged between the supporting shaft and the limiting guide mechanism, the transmission mechanism comprises a plurality of steering wheels arranged on the rack and parallel to the supporting shaft, driven wheels arranged on the rack and coaxial to the driving wheels, driving wheels arranged on the rack and parallel to the driven wheels, and transmission belts arranged between the driving wheels and the driven wheels, the driving wheels are connected in series through a transmission shaft, the transmission shaft is driven by the servo motor, and the transmission belts are parallel to flexible belts arranged on the steering wheels and are parallel to the upper end faces.

Further, the back shaft is including establishing roller bearing in the frame, establishing a plurality of being used for on the roller bearing support the steering spindle of flexible band, the steering spindle with the directive wheel matches and is parallel, it is a plurality of the steering spindle is through one the roller bearing is established ties, the steering spindle is the smooth surface.

Furthermore, the jacking device comprises a first driving air cylinder arranged on the rack and a push plate arranged on the first driving air piston rod.

Compared with the prior art, the invention has the beneficial effects that:

can directly place the bar in batches and accomodate the inslot, and adopt the flexible band as the support, flexible band one end is fixed, the other end is mobilizable form, when the bar is processed can't roll to spacing guiding mechanism voluntarily, only need stretch the one end of flexibility through straining device, the bar accomodates the flexible band of inslot undercut and just can realize the straight phenomenon of slope frame because of tensile regulation, thereby it rolls to spacing guiding mechanism department forward to be the bar, the effectual problem of avoiding artifical transport existence, the bottom bar that has also solved the bar accomodate the groove existence that adopts rigid material to form can't move forward completely and the cost of manufacture is high, whole weight is big and the unable adjustment scheduling problem of volume.

Drawings

FIG. 1 is a schematic structural diagram of the present invention.

In the figure: the device comprises a bottom plate 1, a positioning block 2, a positioning hole 3, an inclined surface 4, a guide groove 5, a top plate 6, a limiting guide mechanism 7, a storage mechanism 8, a limiting block 9, a steering shaft 10, a supporting shaft 11, a rolling shaft 12, a steering wheel 13, a flexible belt 14, a transition wheel 15, an adjusting mechanism 16, a fixed seat 17, an adjusting screw 18, a transmission belt 19, a bar material accommodating groove 20, a driven wheel 21, a transmission mechanism 22, a driving wheel 23, a second driving air cylinder 24, a mounting shaft 25, a tensioning mechanism 26, a tensioning arm 27, a middle rotating shaft 28, a middle rotating disc 29, a middle rotating groove 30, a jacking device 31, a first driving air cylinder 32, a push plate 33, a rack 34, a servo motor 35, a middle rotating mechanism.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that any combination of the embodiments or technical features described below can be used to form a new embodiment without conflict.

As shown in figure 1, the accurate feeding device of the intelligent cold sawing machine capable of feeding multiple materials at one time comprises a rack 34, a plurality of positioning blocks 2 arranged on the rack 34 in parallel, an aligning device 31 arranged on the rack 34 and used for pushing one ends of a plurality of bars in the positioning blocks 2, positioning holes 3 with upward openings are formed in the positioning blocks 2, a plurality of bars to be cut are positioned through the positioning holes 3, the bars in the positioning holes 3 are flush with each other through the aligning device 31, a storage mechanism 8 used for storing and supplying the bars to be cut is further arranged on the rack 34, a plurality of limiting guide mechanisms 7 and a transfer mechanism 36 are sequentially arranged between the storage mechanism 8 and the positioning blocks 2, the limiting guide mechanisms 7 and the transfer mechanism 36 are matched with the positioning blocks 2, and the storage mechanism 8 comprises two limiting blocks 9, 9 and 36 arranged on one side of the rack 34, The flexible belts 14 are arranged between the limiting blocks 9 in parallel, the adjusting mechanism 16 is arranged at the upper end of the flexible belts 14, the tensioning mechanism 26 is arranged at the lower end of the flexible belts 14, the supporting shaft 11 is arranged on the rack 34, the length of the flexible belts 14 between the adjusting mechanism 16 and the supporting shaft 11 is a bar stock accommodating groove 20, two ends of the bar stock accommodating groove 20 are limited by the limiting blocks 9, two sides of the bar stock accommodating groove 20 are respectively limited by the flexible belt 14 body and the limiting guide mechanism 7, the total length of the flexible belts 14 between the adjusting mechanism 16 and the tensioning mechanism 26 is adjusted by the adjusting mechanism 16, the concave distance of the flexible belts 14 below the supporting shaft 11 on the bar stock accommodating groove 20 is adjusted by the tensioning mechanism 26, and the bar stock on the bar stock accommodating groove 20 moves forwards to the transfer mechanism 36 through the limiting guide mechanism 7, and then the positioning holes 3 are moved one by the transfer mechanism 36.

In the actual use process, the positioning block 2 with the positioning hole 3 is fixed on the rack 34 in parallel at one time, so that a storage tank in a bar material belt cutting state is formed, when cutting is needed, a plurality of bars to be cut are uniformly placed in the positioning hole 3, the tail ends of the bars placed in the positioning hole 3 can be pushed forwards through the jacking device 31, the plurality of bars can be subjected to integral length alignment in the pushing process, one end of the bar to be cut in the pushing process can be sent into the cold saw, automatic feeding and cutting are carried out through the cold saw, the storage mechanism 8 is arranged on one side of the positioning block 2, the metal bars to be processed can be uniformly placed in the storage mechanism 8, when cutting is needed, the bars are moved forwards to the transfer mechanism 36 through the limiting guide mechanism 7, the bars are placed into the positioning hole 3 one by one through the transfer mechanism 36, therefore, the problems of high labor intensity, low working efficiency, low production cost, casualties and the like in the process of manual transportation are solved, wherein the limiting guide mechanism 7 and the transit mechanism 36 are matched with the positioning blocks 2, namely each positioning block 2 and the storage mechanism 8 are conveyed through a group of limiting guide mechanism 7 and the transit mechanism 36, a long-strip-shaped bar can accurately enter the positioning hole 3, the situation that a certain section of the bar is not clamped into the positioning hole 3 cannot occur, the storage mechanism 8 consists of a plurality of flexible belts 14 and two limiting blocks 9, the two ends of each flexible belt are respectively fixed on the rack 34 through the adjusting mechanism 16 and the tensioning mechanism 26, the distance between the flexible belts is larger than the length of the bar to be processed, the positions of the two limiting blocks 9 can be adjusted according to the length of the bar, so that the two ends of the bar are limited, one end of each flexible belt 14 fixed through the adjusting mechanism 16 is backwards and upwards higher than the support shaft 11, the moving track of the flexible belt 14 is from the adjusting mechanism 16 to the upper end surface of the supporting shaft 11 and then to the tensioning mechanism 26, wherein the flexible belt 14 from the adjusting mechanism 16 to the front of the supporting shaft 11 is sunken, the length of the flexible belt 14 is a bar storage section, a batch of bars are firstly placed in the bar storage section, so that the rear end of the bars is limited by the flexible belt 14, the front end of the bars is limited by the limiting guide mechanism 7, so that the bars are prevented from rolling forwards in batch at one time, one end of the tensioning mechanism 26 can pull the flexible belt 14, when the bars cannot be conveyed forwards, the tension of the flexible belt 14 is adjusted by the tensioning mechanism 26, so that the downward sunken area of the flexible belt 14 of the bar storage section is lifted upwards to incline downwards in the whole section, and the bars on the flexible belt 14 of the bar storage section can roll downwards again, the combination in the form is adopted to store the bars in batches, when the bars are stored, the contact surfaces of the bars and the storage mechanism 8 are both flexible belts 14, the surfaces of the bars cannot be damaged, particularly, the bars with higher surface smoothness can be processed, meanwhile, when the bars are stored, the volume of the bar accommodating groove 20 can be adjusted through the flexible belts 14, the application range of the bar accommodating groove is wider, when the bar accommodating groove is used, a pushing force effect similar to that of the bars can be automatically formed through the movement of the tensioning mechanism 26, the bars cannot move forwards, when the bars with different lengths need to be stored and moved, the positioning blocks 2, the position guide mechanism, the transit mechanism 36 and the flexible belts 14 can be added or reduced to expand, the problems existing in manual conveying are effectively avoided, the problems that the bars at the bottom of the bar accommodating groove 20 formed by rigid materials cannot move forwards completely and the manufacturing cost is high are solved, and the bars cannot move forwards completely The whole weight is heavy and the volume can not be adjusted.

Further, the limiting and guiding mechanism 7 includes a bottom plate 1 disposed on the frame 34 and a top plate 6 disposed above the bottom plate 1, the top plate 6 and the bottom plate 1 are combined to form a front limiting surface of the bar stock accommodating groove 20, a guiding groove 5 is formed between the bottom plate 1 and the top plate 6, the guiding groove 5 is an inclined structure, and the bar stocks in the bar stock accommodating groove 20 roll to the transfer mechanism 36 through the guiding groove 5 one by one.

The one end of guide way 5 is general to it with back shaft 11, so as to make can make the rolling bar of 14 laminating on the back shaft 11 get into guide way 5 smoothly as the requirement, the other end and the cooperation of transfer mechanism 36, because guide way 5 is the inclined plane structure, can make the smooth forward roll of bar that gets into, and do not need power, the height of guide way 5 is 1.1-1.5 times bar external diameter, can avoid the condition that two bars get into simultaneously to take place, and the dead phenomenon of card can not appear, spacing guiding mechanism 7 comprises a bottom plate 1 and a top, the structure is simpler, the cost is lower, and it is accurate convenient to accept of bar, can enough play the direction and the transport effect to the bar, can also play and accomodate the bar in the groove 20 and carry out limiting displacement to the bar.

Further, an expansion link 37 is disposed between the top plate 6 and the frame 34.

The height of the guide groove 5 can be adjusted through the telescopic rod 37, so that the device is suitable for conveying bars with different diameters.

Further, the transfer mechanism 36 includes a central rotating shaft 28 disposed on the frame 34, and a plurality of intermediate rotating discs 29 disposed on the central rotating shaft 28, where at least 1 intermediate rotating groove 30 is disposed on the intermediate rotating disc 29, and a servo motor 35 for rotating the central rotating shaft 28 is disposed on the frame 34.

In the use, the discharge end of guide way 5 passes through the shutoff of the outside periphery of well carousel 29, when servo motor 35 drives transfer groove 30 and removes the discharge end of guide way 5, a bar in the guide way 5 just rolls and falls in transfer groove 30, thereby continue rotatory removal to locating piece 2 through transfer groove 30 on, roll to locating hole 3 in from locating piece 2 again, according to the rotation that does not stop, can make transfer groove 30 last carry the bar, and once only carry one, when transfer groove 30 is a plurality of, can be according to the transport quantity of rotatory number of times control bar, it is more convenient to count.

Furthermore, one side of the upper end surface of the positioning block 2, which is close to the transfer mechanism 36, is an inclined surface 4, and the bar stock conveyed to the positioning block 2 by the transfer mechanism 36 rolls to the opening of the positioning hole 3 from the inclined surface 4 and falls off.

The whole height on inclined plane 4 is less than the up end height of opening opposite side, and the bar is when rolling toward the opening direction, even do not have timely opening part that drops, also can carry out the stop through the side of opposite side and to dropping down, the condition that the bar directly rolled out locating piece 2 can not appear and take place.

Further, the adjusting mechanism 16 includes an adjusting screw 18 disposed on the frame 34, a fixing seat 17 disposed at the top end of the adjusting screw 18, and a transition wheel 15 disposed above the fixing seat 17, one end of the flexible belt 14 is clamped and fixed on the fixing seat 17, the adjusting screw 18 is clamped and fixed on the frame 34 through a nut, the fixing seat 17 and the adjusting screw 18 are located on the back of the storage mechanism 8, the height of the fixing seat 17 moves up and down through the adjusting screw 18, and the upper end of the flexible belt 14 passes through the transition wheel 15 and then extends into the bar material accommodating groove 20.

When the volume of groove 20 is received to the bar, can reciprocate fixing base 17 through flexible adjusting screw 18, thereby make the effective length of flexible band 14 in groove 20 is received to the bar adjust, the flexibility is better, adopt between fixing base 17 and the flexible band 14 to press from both sides tight fixed, can also adjust the clamping position difference of flexible band 14 through fixing base 17, when adjusting through fixing base 17, generally for adjusting on a large scale, and can not place the bar on the flexible band 14, and when adjusting through adjusting screw 18, even when having the bar, also can carry out appropriate adjustment, the orbit of excessive wheel 15 is the n type on flexible band 14 is being walked around frame 34.

Further, the frame 34 is provided with an installation shaft 25 for installing the tensioning mechanism 26, the tensioning mechanism 26 includes an L-shaped tensioning arm 27 disposed on the installation shaft 25 at a corner, and a second driving cylinder 24 disposed between the tensioning arm 27 and the frame 34, two ends of the tensioning arm 27 are respectively connected to the second driving cylinder 24 and the flexible belt 14, and the flexible belt 14 is moved by the rotation of the tensioning arm 27 pushed by the second driving cylinder 24.

In the actual installation process, the rotation angle of the L-shaped tensioning arm 27 is rotationally connected to the installation shaft 25, the lower end of the flexible belt 14 is fixed at one end of the L-shaped tensioning arm 27, the piston rod of the second driving cylinder 24 is rotationally connected to the other end of the L-shaped tensioning arm 27, when the piston rod extends forwards, the tensioning arm 27 is controlled to rotate along the installation shaft 25, so that the L-shaped tensioning arm 27 has the stretching or shrinking effect on the flexible belt 14, the track change of the flexible belt 14 in the bar accommodating groove 20 is realized, when adjustment is needed, the plurality of second driving cylinders 24 simultaneously pull the respective flexible belts 14, the pulling force can be more accurate, and the power waste rate is lower.

Further, a transmission mechanism 22 is further arranged between the supporting shaft 11 and the limiting and guiding mechanism 7, the transmission mechanism 22 comprises a plurality of steering wheels 13 arranged on the frame 34 and parallel to the supporting shaft 11, driven wheels 21 arranged on the frame 34 and coaxial with the transmission wheels, driving wheels 23 arranged on the frame 34 and parallel to the driven wheels 21, and transmission belts 19 arranged between the driving wheels 23 and the driven wheels 21, the driving wheels 23 are connected in series through a transmission shaft, the transmission shaft is driven by the servo motor 35, and the transmission belts 19 are parallel to the flexible belts 14 on the steering wheels 13 and have parallel upper end faces.

Wherein the flexible band 14 is reconnected to the tensioning arm 27 after leading through the directive wheel 13, when the bar moved along the flexible band 14 to the front, when the flexible band 14 moved to the directive wheel 13 region, drive the action wheel 23 through the servo motor 35 and rotate, the action wheel 23 drives the drive belt 19 to rotate, thereby it moves to the guide way 5 to continue again after accepting the bar on the flexible band 14 through the drive belt 19, in moving the bar, when can realizing the passive front movement of bar through the drive mechanism 22, can also play the effect of promotion when getting into the guide way 5, make the more quick roll forward of bar fall, be equipped with the spacing groove on the directive wheel 13, can avoid the flexible band 14 to appear the condition emergence of rocking about appearing.

Further, the back shaft 11 is including establishing roller 12 in the frame 34, establishing a plurality of being used for on the roller 12 supports the steering spindle 10 of flexible band 14, steering spindle 10 with directive wheel 13 matches and is parallel, it is a plurality of steering spindle 10 is through one the roller 12 is established ties, steering spindle 10 is the smooth surface.

One end of the flexible belt 14 fixed by the adjusting mechanism 16 extends downwards and then moves downwards to the tensioning mechanism 26 through the corresponding steering shaft 10 to be fixed, so that the whole flexible belt 14 is in a downward inclined form, when a bar stock is placed in a storage section of the flexible belt 14 or the flexible belt 14 is pulled downwards through the tensioning mechanism 26, the flexible belt 14 inevitably moves due to the fact that the middle of the flexible belt is excessive through the steering shaft 10, the steering shaft 10 can form smooth contact between the flexible belt and the flexible belt, the service life of the flexible belt 14 is longer, the flexible belt 14 can move more flexibly, the roller 12 and the rack 34 can be connected through a bearing, the whole supporting shaft 11 generates a rolling effect, the flexible belt 14 can be limited through a groove on the steering shaft 10, the falling-off condition is avoided, meanwhile, a horizontal supporting surface is formed by the combination of the steering shaft 10 and the steering wheel 13, the bar is more stable when passing from the bar-receiving groove 20 to the belt 19.

Further, the jacking device 31 comprises a first driving air cylinder 32 arranged on the frame 34, and a push plate 33 arranged on the first driving air cylinder rod.

The bar placed in the positioning hole 3 pushes the push plate 33 to move forwards through the first driving air cylinder 32, so that the bar is pushed and aligned, the control is more convenient, and the pushing time can be controlled by a background controller.

By the flexible belt 14 acting as a storage and transport support surface it is also possible to achieve that, in the case of a continuous tension of the tensioning means 26, if there are a large number of bars in the bar accommodating groove 20, the length of the recess of the flexible band 14 in the bar accommodating groove 20 is large due to the large weight, and a large number of bars are accommodated, after the bar stock is gradually reduced, the flexible band 14 in the bar stock receiving groove 20 can be continuously lifted upwards by the tensioning mechanism 26 until the flexible band is totally downwards inclined, thereby realizing the purpose of automatic feeding, i.e., the second drive cylinder 24, is always in the forward extension phase, when extended to a certain angle, the flexible belt 14 is in a full-range inclined state, the bar stock is moved forwards completely, the bar stock is contracted and reset at the moment, the control angle of the second driving cylinder 24 and the rotation of the middle rotating wheel can be monitored through the sensor, and the automatic control is simple and convenient.

The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention is not limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are within the protection scope of the present invention.

Claims (9)

1. The utility model provides an intelligent cold saw machine accurate feeding device of many material loadings once which characterized in that: establish including frame, parallel a plurality of locating pieces in the frame, establish in the frame right a plurality of bar one end in the locating piece carry out propulsive neat device in top, be equipped with opening locating hole up on the locating piece, many bars that wait to cut pass through the locating hole is fixed a position, bar in the locating hole is through the neat device parallel and level in top, still be equipped with in the frame and treat the storage mechanism that the bar was saved and was supplied with, storage mechanism with be equipped with a plurality of spacing guiding mechanism and transfer mechanism between the locating piece in proper order, spacing guiding mechanism with transfer mechanism with the locating piece matches, storage mechanism is including establishing two stoppers, the parallel of frame one side are established a plurality of flexible bands between the stopper, are established adjustment mechanism on the flexible band, be established straining device of flexible band lower extreme, be established, Establish back shaft in the frame, adjustment mechanism arrives between the back shaft the flexible band length is the bar and accomodates the groove, the both ends that the groove was accomodate to the bar are passed through the stopper is spacing, the both sides that the groove was accomodate to the bar are passed through respectively the flexible band body with spacing guiding mechanism carries on spacingly, is located adjustment mechanism with between the straining device the flexible band total length passes through adjustment mechanism adjusts, on the groove is accomodate to the bar flexible band to the sunken distance in back shaft below passes through straining device adjusts, the bar on the groove is accomodate to the bar passes through spacing guiding mechanism moves forward extremely transfer mechanism, the rethread the removal of one piece of transfer mechanism extremely in the locating hole.

2. The accurate feeding device of the intelligent multi-feeding cold sawing machine according to claim 1, characterized in that: the limiting and guiding mechanism comprises a bottom plate arranged on the rack and a top plate arranged above the bottom plate, the top plate and the bottom plate are combined to form a front limiting surface of the bar stock accommodating groove, a guide groove is formed between the bottom plate and the top plate and is of an inclined structure, and bar stocks in the bar stock accommodating groove roll to the transfer mechanism through one guide groove.

3. The accurate feeding device of the intelligent multi-feeding cold sawing machine according to claim 2, characterized in that: the transfer mechanism is including establishing the pivot in the frame, establishing a plurality of well carousels in the pivot, be equipped with 1 at least transfer groove in the well carousel be equipped with in the frame right the pivot carries out rotatory servo motor.

4. The accurate feeding device of the intelligent multi-feeding cold sawing machine according to claim 3, characterized in that: one side of the upper end surface of the positioning block, which is close to the transfer mechanism, is an inclined surface, and the bar material conveyed to the positioning block by the transfer mechanism rolls to the opening of the positioning hole through the inclined surface and falls off.

5. The accurate feeding device of the intelligent multi-feeding cold sawing machine according to any one of claims 1 to 4, characterized in that: the adjusting mechanism comprises an adjusting screw rod arranged on the rack, a fixing seat arranged on the top end of the adjusting screw rod and a transition wheel arranged above the fixing seat, one end of the flexible belt is clamped and fixed on the fixing seat, the adjusting screw rod is clamped and fixed on the rack through a nut, the fixing seat and the adjusting screw rod are located on the back face of the storage mechanism, the height of the fixing seat is adjusted through the adjusting screw rod to move up and down, and the upper end of the flexible belt is extended into the bar material accommodating groove after passing through the transition wheel.

6. The accurate feeding device of the intelligent multi-feeding cold sawing machine according to claim 3, characterized in that: the tensioning mechanism comprises an L-shaped tensioning arm arranged on the shaft and a second driving cylinder arranged between the tensioning arm and the frame, wherein the corner of the tensioning arm is arranged, the second driving cylinder is connected with the flexible belt, and the flexible belt is pushed by the second driving cylinder to rotate and move.

7. The accurate feeding device of the intelligent multi-feeding cold sawing machine according to claim 5, characterized in that: the back shaft with still be equipped with drive mechanism between the spacing guiding mechanism, drive mechanism is including establishing a plurality of in the frame with the directive wheel that the back shaft is parallel, establish in the frame with coaxial follow driving wheel of drive wheel, establish in the frame with follow parallel action wheel of driving wheel, establish the action wheel with from the drive belt between the driving wheel, each the action wheel is established ties through a transmission shaft, the transmission shaft passes through servo motor drive, the transmission belt with the parallel and up end parallel and level of flexible band on the directive wheel.

8. The accurate feeding device of the intelligent multi-feeding cold sawing machine according to claim 6, characterized in that: the back shaft is including establishing roller bearing in the frame, establishing a plurality of being used for on the roller bearing supports the steering spindle of flexible band, the steering spindle with the directive wheel matches and is parallel, it is a plurality of the steering spindle is through one the roller bearing is established ties, the steering spindle is the smooth surface.

9. The accurate feeding device of the intelligent multi-feeding cold sawing machine according to claim 1, characterized in that: the jacking device comprises a first driving air cylinder arranged on the rack and a push plate arranged on the first driving air piston rod.